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Biorobotic adhesive discs inspired by the remora suckerfish. (a) Photo of remora suckerfish. (b) Photo of biorobotic adhesive disc. (c) Pull-off force of biorobotic adhesive disc. Reprinted with permission from [106]. Copyright 2017, Wang et al. Schematic structure of the biorobotic adhesive disc (d,e) and underwater hitchhiking demonstration (f). Reprinted with permission from [109]. Copyright 2022, Li et al.
